Home / 9,134.30-12,605.34-4,942.54

Finding the Fourth Proportional to 9,134.30, 12,605.34 and 4,942.54

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Solution

The fourth proportional to 9,134.30, 12,605.34 and 4,942.54 is: 6,820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.30 : 12,605.34 = 4,942.54 : x
  2. Step 2: Convert to fraction form
    9,134.30/12,605.34 = 4,942.54/x
  3. Step 3: Cross multiply
    9,134.30x = 12,605.34 × 4,942.54
  4. Step 4: Simplify right side
    9,134.30x = 62,302,397.16
  5. Step 5: Solve for x
    x = 62,302,397.16/9,134.30
  6. Step 6: Final answer
    x = 6,820.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.